1; RUN: opt < %s -passes=pgo-instr-gen -S | FileCheck %s --check-prefix=GEN --check-prefix=GEN-COMDAT 2; RUN: opt < %s -mtriple=x86_64-apple-darwin -passes=pgo-instr-gen -S | FileCheck %s --check-prefix=GEN --check-prefix=GEN-DARWIN-LINKONCE 3 4; RUN: llvm-profdata merge %S/Inputs/branch1.proftext -o %t.profdata 5; RUN: llvm-profdata merge %S/Inputs/branch1_large_count.proftext -o %t.l.profdata 6 7; RUN: opt < %s -passes=pgo-instr-use -pgo-test-profile-file=%t.profdata -S | FileCheck %s --check-prefix=USE 8; RUN: opt < %s -passes=pgo-instr-use -pgo-test-profile-file=%t.l.profdata -S | FileCheck %s --check-prefix=USE-LARGE 9 10; RUN: opt < %s -passes=pgo-instr-use -pgo-test-profile-file=%t.profdata -pass-remarks=pgo-instrumentation -pgo-emit-branch-prob -S 2>&1| FileCheck %s --check-prefix=ANALYSIS 11 12target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" 13target triple = "x86_64-unknown-linux-gnu" 14; GEN-DARWIN-LINKONCE: target triple = "x86_64-apple-darwin" 15 16; GEN-COMDAT: $__llvm_profile_raw_version = comdat any 17; GEN-COMDAT: @__llvm_profile_raw_version = hidden constant i64 {{[0-9]+}}, comdat 18; GEN-LINKONCE: @__llvm_profile_raw_version = linkonce constant i64 {{[0-9]+}} 19; GEN: @__profn_test_br_1 = private constant [9 x i8] c"test_br_1" 20 21define i32 @test_br_1(i32 %i) { 22; USE-LABEL: @test_br_1 23; USE-SAME: !prof ![[FUNC_ENTRY_COUNT:[0-9]+]] 24entry: 25; GEN: entry: 26; GEN: call void @llvm.instrprof.increment(ptr @__profn_test_br_1, i64 {{[0-9]+}}, i32 2, i32 0) 27 %cmp = icmp sgt i32 %i, 0 28 br i1 %cmp, label %if.then, label %if.end 29; USE: br i1 %cmp, label %if.then, label %if.end 30; USE-SAME: !prof ![[BW_ENTRY:[0-9]+]] 31; USE-DAG: ![[BW_ENTRY]] = !{!"branch_weights", i32 2, i32 1} 32; USE-LARGE: br i1 %cmp, label %if.then, label %if.end 33; USE-LARGE-SAME: !prof ![[BW_L_ENTRY:[0-9]+]] 34; USE-LARGE-DAG: ![[BW_L_ENTRY]] = !{!"branch_weights", i32 -1431655766, i32 1431655765} 35 36if.then: 37; GEN: if.then: 38; GEN: call void @llvm.instrprof.increment(ptr @__profn_test_br_1, i64 {{[0-9]+}}, i32 2, i32 1) 39 %add = add nsw i32 %i, 2 40 br label %if.end 41 42if.end: 43; GEN: if.end: 44; GEN-NOT: llvm.instrprof.increment 45; GEN: ret i32 46 %retv = phi i32 [ %add, %if.then ], [ %i, %entry ] 47 ret i32 %retv 48} 49; USE-DAG: {{![0-9]+}} = !{i32 1, !"ProfileSummary", {{![0-9]+}}} 50; USE-DAG: {{![0-9]+}} = !{!"DetailedSummary", {{![0-9]+}}} 51; USE-DAG: ![[FUNC_ENTRY_COUNT]] = !{!"function_entry_count", i64 3} 52 53; ANALYSIS:remark: <unknown>:0:0: sgt_i32_Zero {{.*}}66.67% (total count : 3) 54